Dubai, April 20 -- Airlines changed flight paths over Iran, cancelled some flights, diverted others to alternate airports or returned planes to their departure points on Friday due to airspace and airport closures and security concerns after an Israeli attack on Iran.

Iran closed its airports in Tehran, Shiraz and Isfahan after the attack and cleared flights from the western portion of its airspace for a few hours after the attack, according to flight tracking website FlightRadar24.

By 0445 GMT the airports and airspace had reopened, and closure notices posted on a US Federal Aviation Administration database had been removed.

Before the airports reopened, Flydubai said it had cancelled its Friday (19 April) flights to Iran. One of its ...